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Azolla, a biofertilizer for rice

, : Azolla, a biofertilizer for rice. International Journal of Tropical Agriculture 4(3): 188-211

The subject is discussed under the headings; introduction, factors affecting the growth of Azolla, application of Azolla in rice fields, use of Azolla in combination with inorganic nitrogenous fertilizers, Azolla as substitute for inorganic N and other green manures in rice cultivation, benefits of Azolla usage, pests and diseases of Azolla and economics of Azolla use.

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Related references

Subudhi, B.; Singh, P., 1983: Azolla pinnata as a biofertilizer for rice Oryza sativa, rice yields, soil fertility, India. Indian journal of agricultural sciences 53(5): 320-324

Kulasooriya, S.A.; Hirimburegama, W.K.; Abeysekera, S.W., 1984: Azolla as a biofertilizer for rice in Sri Lanka. A. pinnata inoculated at rates of 100-200 g/msuperscript 2 showed good growth and ability to establish in monoculture in rice fields within different agroecological zones of Sri Lanka. The effect of A. pinnata growing in dual culture with rice cv....

Kannaiyan, S.; Kumar, K., 2005: Azolla biofertilizer for sustainable rice production. This book deals with the basic and applied aspects of use of Azolla as a biofertilizer in rice production. The first chapters deal with the potential and prospects of Azolla as a biofertilizer, and the use of biological fertilizers in rice-based c...

Kannaiyan, S.; Thangaraju, M.; Oblisami, G., 1984: Azolla - a potential biofertilizer for rice production. Application of cattle dung at 10 kg/plot and superphosphate in 3 split dressings each of 100 g stimulated the multiplication of Azolla under field conditions. In a field experiment during the samba season of 1981-2, rice cv. IR20 was treated with...

Singh A.L.; Singh P.K., 1990: Intercropping of azolla biofertilizer with rice at different crop geometry. Intercropping of Azolla with rice transplanted in rectangular (10 .times. 40 cm) spacing produced greater biomass and accumulated more nitrogen in the Azolla than its intercropping in square (20 .times. 20 cm) spacing. The differences in biomass a...

Kumar, K.; Kannaiyan, S., 2003: Potential use of Azolla biofertilizer in sustainable rice production. Azolla is a green floating water fern which quickly decomposed and efficiently provide available nitrogen for rice. This paper discusses the use of Azolla as biofertilizer for sustainable rice production in South East Asia. The economics of applyi...

Badawy, A.M.; E.K.tony, T.M.; Serag, M.S.; Mousa, M.A., 1998: Potentiality of Azolla filiculoides Lam for nitrogen fixation and its use as a biofertilizer for rice. Fronds of the water fern Azolla filiculoides Lam. were grown on two nutrient solutions: one containing 1 mMNO3- (+N) and the other containing no nitrogen (-N) under laboratory conditions. Growth of the fern was comparable in the two nutrient solut...

Singh, P.K., 1982: Azolla and blue-green algae biofertilizer trechnology for rice. Methods of production of Azolla pinnata and blue-green algae and of their application to rice are described.

Dias J.R.; Carrapico F., 1991: Studies on rice production using azolla as biofertilizer in guinea bissau. Polsinelli, M , R Materassi And M Vincenzini (Ed ) Developments in Plant And Soil Sciences, Vol 48 Nitrogen Fixation; Fifth International Symposium on Nitrogen Fixation With Non-Legumes, Florence, Italy, September 10-14, 1990 Xvii+678p Kluwer Academic Publishers: Dordrecht, Netherlands; Norwell, Massachusetts, Usa Illus 541-542

Badawy, A.M.; E.K.tony, T.M.; Serag, M.S.; Mousa, M.A., 1996: Potentiality of Azolla filiculoides Lam. for nitrogen fixation and its use as a biofertilizer for rice. Fronds of the water fern A. filiculoides were grown under laboratory conditions on a nutrient solution containing 1 mM NO3- (+N) or one containing no nitrogen (-N). Growth of the fern was comparable in the nutrient solutions, implying that dinitro...